<template>
  <el-dialog
    :title="$t('msg.excel.title')"
    :model-value='modelValue'
    @close='closed'
    width='20%'
  >
    <el-input
      v-model='excelName'
      :placeholder='$t("msg.excel.placeholder")'
    >
    </el-input>
    <template #footer>
      <div class='dialog-footer'>
        <el-button @click='closed'>{{ $t('msg.excel.close') }}</el-button>
        <el-button type='primary' @click='onConfirm' :loading='loading'>{{$t('msg.excel.confirm')}}</el-button>
      </div>
    </template>
  </el-dialog>
</template>

<script setup>
import { ref, defineProps, defineEmits } from 'vue'
import { useI18n } from 'vue-i18n'
import { watchSwitchLang } from '@/utils/i18n'
import { getUserManageAllList } from '@/api/user-manage'
import { USER_RELATIONS } from './Export2ExcelConstants'
import { dateFilter } from '@/filters/index'

defineProps({
  modelValue: {
    type: Boolean,
    required: true
  }
})

const emits = defineEmits(['update:modelValue'])

// 导出文件名
const i18n = useI18n()
let exportDefaultName = i18n.t('msg.excel.defaultName')
const excelName = ref('')
excelName.value = exportDefaultName
watchSwitchLang(() => {
  exportDefaultName = i18n.t('msg.excel.defaultName')
  excelName.value = exportDefaultName
})

// 点击确定按钮
const loading = ref(false)
const onConfirm = async () => {
  loading.value = true
  // 数据
  const allUser = (await getUserManageAllList()).list

  // 导入工具包
  const excel = await import('@/utils/Export2Excel')

  const data = formatJson(USER_RELATIONS, allUser)
  excel.export_json_to_excel({
  //  表头
    header: Object.keys(USER_RELATIONS),
    //  数据
    data,
    //  文件名称
    filename: excelName.value || exportDefaultName
  })
  closed()
}

// 当使用 export_json_to_excel的时候，我们传递的data必须是一个二维数组
const formatJson = (headers, rows) => {
  return rows.map(item => {
    return Object.keys(headers).map(key => {
      // 角色需要特殊处理
      if (headers[key] === 'role') {
        const roles = item[headers[key]]
        return JSON.stringify(roles.map(role => role.title))
      }
      if (headers[key] === 'openTime') {
        return dateFilter(item[headers[key]])
      }
      return item[headers[key]]
    })
  })
}

/**
 * 关闭
 */
const closed = () => {
  emits('update:modelValue', false)
}
</script>

<style lang='scss' scoped>

</style>
